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Finding the Fourth Proportional to 33,109.75, 45,692.35 and 18,003.42

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Solution

The fourth proportional to 33,109.75, 45,692.35 and 18,003.42 is: 24,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,109.75 : 45,692.35 = 18,003.42 : x
  2. Step 2: Convert to fraction form
    33,109.75/45,692.35 = 18,003.42/x
  3. Step 3: Cross multiply
    33,109.75x = 45,692.35 × 18,003.42
  4. Step 4: Simplify right side
    33,109.75x = 822,618,567.84
  5. Step 5: Solve for x
    x = 822,618,567.84/33,109.75
  6. Step 6: Final answer
    x = 24,845.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.